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关于TypeScript中提示xxx is declared but its value is never read的解决方法
首先,提示很明显,是定义了变量,但是却没有使用。解决方案有如下两种: 一: 需要确定变量是否真的没有使用到,如果没有使用直接删除即可。 二: 对于方法中的入参,是没法随便删除的。这时候我们可以利用TypeScript4.2中的新特性,将变量名用下划线开头,表示占位变量。 更具体的详情可以参考:fea ......
ERROR: database "server" is being accessed by other users DETAIL: There is 1 other session using the database.
根据错误消息,删除数据库 "server" 失败,原因是有其他用户的会话正在使用该数据库。在 PostgreSQL 中,如果有其他会话正在访问或连接到数据库,那么将无法删除该数据库。 为了成功删除数据库,需要确保没有其他会话正在使用该数据库。 以下是可能的解决方法: 1. 断开所有连接:在尝试删除数 ......
How to Restore ASM Based OCR when OCR backup is located in ASM diskgroup? (Doc ID 2569847.1)
In this Document Goal Solution References APPLIES TO: Oracle Database - Enterprise Edition - Version 12.2.0.1 and later Information in this document a ......
Python的OCR工具pytesseract解决TesseractNotFoundError: tesseract is not installed or it's not in your PATH. See README file for more information环境变量问题
pytesseract是基于Python的OCR工具, 底层使用的是Google的Tesseract-OCR 引擎,支持识别图片中的文字,支持jpeg, png, gif, bmp, tiff等图片格式。 如何安装使用请看我的上一篇。 在使用pytesseract打开图片是遇到没有找到文件解决pyt ......
2023-07-25 html中引入vue,报错:Vue is not a constructor ==》引用的vue版本不兼容导致
报错代码: 我使用的vue外链https://cdn.jsdelivr.net/npm/vue,该外链引用的是最新的vue@3.3.4版本,而我的vue写法为vue2.0版本的写法,故而不兼容。 解决方案:引用指定版本的vue👇 <script src="https://cdn.jsdelivr. ......
StatefulSet部署postgresql报错initdb: error: directory "/var/lib/postgresql/data" exists but is not empty & Back-off restarting failed container
容器状态一直重启 ``` [root@k8s-master01 sonarqube]# kubectl get pod -n ops NAME READY STATUS RESTARTS AGE gitlab-0 1/1 Running 0 170m pgsql-0 0/1 CrashLoopBac ......
what is the embeddings in AI?
What are embeddings? Text embeddings are a natural language processing (NLP) technique that converts text into numerical vectors. Embeddings capture s ......
pomRelying upon circular references is discouraged and they are prohibited by default.
方框的意思就是: 不鼓励依赖循环引用,并且默认情况下禁止循环引用。更新应用程序以删除bean之间的依赖循环。作为最后的手段,可以通过设置spring.main来自动打破这个循环。允许循环引用为true。 这是由于Spring Boot2.6版本之后关闭了依赖循环引用,从而导致了以上错误。 解决方法 ......
.Net Core Abp vnext BackgroundJobsDbContext异常 An exception was thrown while activating Volo.Abp.BackgroundJobs.EntityFrameworkCore.BackgroundJobsDbContext
An exception was thrown while activating Volo.Abp.BackgroundJobs.EntityFrameworkCore.BackgroundJobsDbContext 默认DbContext 的 ConnectionStringName 必须为 De ......
nodejs sqlite报错 typeorm[ Expression tree is too large (maximum depth 1000)]
最近在给公司开发一个工具时,使用SQLite,然后突然发现报错: ```js (node:16195) UnhandledPromiseRejectionWarning: QueryFailedError: SQLITE_ERROR: Expression tree is too large (ma ......
MyBatis3 连接MySQL8 提示:message from server: “Host ‘xxx‘ is not allowed to connect to this MySQL server
1、本机搭建mysql,使用mybatis连接提示如下错误信息: ``` message from server: "Host 'xxx' is not allowed to connect to this MySQL server ``` 造成上述的错误的原因: 数据库连接的账户不允许从远程登陆, ......
ERROR 1709 (HY000): Index column size too large. The maximum column size is 767 bytes.
MySQL版本5.6.35 在一个长度为512字符的字段上创建unique key报错 CREATE DATABASE dpcs_metadata DEFAULT CHARACTER SET utf8; select * from information_schema.SCHEMATA; + + + ......
LLM is all you need for the backend
一、LLM给软件开发范式带来了什么改变? 人们一直在说Github Copilot将取代程序员。我们认为这是错误的。我们已经有了类似GPT-4这种强大的LLM模型,却还要把自己限制在编写传统代码上吗?不!所有代码都有bug! 代码不是对业务逻辑进行编码的理想方式,代码必须经过审查,并且它按照程序员的 ......
pip install flask 时,总包blinker uninstall 失败(ERROR: Cannot uninstall 'blinker'. It is a distutils installed project and thus we cannot ...)
今天用pip install flask时,总因为uninstall blinker失败,报错如下: ``` ERROR: Cannot uninstall 'blinker'. It is a distutils installed project and thus we cannot accur ......
K8S初始化报错:CRI v1 runtime API is not implemented for endpoint \"unix:///var/run/containerd/containerd.sock\"
报错具体内容: [preflight] Some fatal errors occurred: [ERROR CRI]: container runtime is not running: output: time="2023-07-21T09:20:07Z" level=fatal msg="va ......
error 'fun' is assigned a value but never used @typesc
在vue3+ts 的项目中在进行eslint 配置之后 在main.ts 进行测试 出现了 error 'fun' is assigned a value but never used @typesc 错误’fun’被分配了一个值,但从未使用过没有未使用的变量 在 package.json 的 ru ......
报错CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False
1. 该错误是由django产生的 当Django的DEBUG设置为False时,但是未设置ALLOWED_HOSTS时会触发 所以我们需要在settings.py文件中设置ALLOWED_HOSTS 进行如下设置,问题就解决了 # settings.py DEBUG = False ALLOWED ......
what is the retrievers in LangChain?
see: Retrievers | 🦜️🔗 Langchain https://blog.langchain.dev/retrieval/ 按文档说的Retriever就是一个接口,可以把和query相关的文档都查询出来,而vectorDB是否成retriever的关键组件之一。 ......
Linux - Check If File Is Empty Or Not Using Shell Script
## Linux - Check If File Is Empty Or Not Using Shell Script How do I check if a file is empty or not using bash or ksh shell script under a UNIX / Lin ......
Kingbase8: was aborted: ERROR: sorry, too many global temporary relations in backend already. Call getNextException to see other errors in the batch.
==额....今天踩了一个坑,找个半天找到的解决方法== 设置一个会话内最多允许的全局临时表数据和索引的最大文件数量,默认值为32,最小值为1,最大值为1024。这个文件数量并不是实际磁盘看到的文件数目,而是一些依附于这个表的扩展关系文件,比如索引、大对象等。一般情况下,一个全局临时表只会占用参数中 ......
C# 使用EPPlus 操作excel The given key '8' was not present in the dictionary.
使用EPPlus 删除excel中某一个sheet中的几列的时候,出现了The given key '8' was not present in the dictionary.的报错; 最开始的写法,是从前往后删除,出现错误//ExcelWorksheet sheet = package.Workb ......
arcgis注册postgresql失败。postgres be sure the databse client software is installed and configured correct
解决: 将PostgreSQL\9.1\bin目录下的Libpq.dll,Libeay32.dll, Libintl-8.dll, Ssleay32.dll复制一份放在ArcGIS Server安装目录的Server\bin***意:这里拷贝的文件需要都是64位的。 重启arcgis server服 ......
flak创建数据库报 NameError: name 'MySQLdb' is not defined
因为pycharm中无法安装MySQLdb ,安装会报错 所以安装pymysql 然后替换MySQLdb 进入到mysqldb.py文件中 替换mysqldb方法,导入pymysql 取别名为MySQLdb 再次执行便能成功 ......
[Javascript] [] is ArrayList
Run the following code, found that for get & push & pop, it is O(1) time; But for shift/unshfit, it is O(n) time. In this cases, Javascript's [], is a ......
NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.
###问题提示: ` NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and runn ......
ERROR [ModelSpecification.spec] At least one type of specification is required
项目在启动过程中会打印大量上述标题异常,最后在github翻看到解决办法。 参考这篇:[generator-jhipster/issues](https://github.com/jhipster/generator-jhipster/issues/13835) 具体解决办法:[supress no ......
解决ValueError: Tokenizer class LLaMATokenizer does not exist or is not currently imported
## 问题: load LLaMA 7b的weights的时候报错: ValueError: Tokenizer class LLaMATokenizer does not exist or is not currently imported. ## 出现原因: 新版transformers里面ll ......
cpp generate uuid via rand() and test speed which is 4 times+ faster than libuuid
// main.cpp #include <algorithm> #include <chrono> #include <cstdio> #include <cstdlib> #include <cstdint> #include <ctime> #include <fstream> #includ ......
Metadata processing is not available 解决方案
问题 Export: Release 11.2.0.4.0 - Production on Wed Jul 19 20:49:24 2023 Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved. Co ......
《Prompting Is Programming: A Query Language for Large Language Models》论文学习
一、前言 大型语言模型在诸如对话问答、代码生成等广泛任务上表现出了出色的性能。 在较高的层次上,给定一段输入,大语言模型可用于按照概率统计方式自动补全序列。在此基础上,用户用指令(instructions)或示例(examples)去提示(prompt)大语言模型,以实施各种下游任务。 本质上,提示 ......